911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
Technical Service Bulletin # 9110
Date: 990625
Cassette Player - Whistling Noise When Playing Tape
Boxster
1/99 9110
Binder - 9, Electrics
Date: 6/24/99
PCM Cassette Player Noises
Vehicle Type:
Boxster (with M662)
Model Year:
As of 1998 (W)
Concern:
Whistling noise from the loudspeakers when playing a cassette tape on vehicles equipped with the Porsche Communication Management System (PCM).
Information:
It is possible for PCM equipped vehicles (M662) produced before April 30, 1998 to exhibit a whistling noise from the loudspeakers when playing a
cassette tape. The noise is usually heard at low volume levels and changes with engine/alternator rpm. A suppressor kit can be retrofitted into vehicles
produced prior to April 30, 1998 to address customer complaints concerning this noise.
Parts Info.:
000 043 204 29
Interference-suppression choke kit.
Includes: Interference-suppression choke, wiring harness and retaining bracket (Figure 1), 2 hexagon-head bolts M 6 x 25, piece of
foam insulation
Tools Required:
Hole punch or sharp knife
10 mm wrench
Porsche System Tester 2 (PST2)
Torx TX5 socket
Shop lamp
Working Time:
Labor Operation
Time Units
Description
91 10 41 03
90 TU
Repairing display and operator control unit (PCM).
Includes: Installing interference-sup pression choke, alarm system function test, entering PCM code, erasing DME fault memory.
Literature:
Boxster Technical Manual, Group 9, section:
91 10 19 - Removing and installing display and operator control unit (PCM).